Explore Worlds
Find Life
Defend Earth
Alexandra Witze
Correspondent, Nature
Latest Planetary Radio Appearances
Project Hail Mary hits the big screen
“Project Hail Mary” has arrived on the big screen, and we're diving into the real science behind Andy Weir's latest blockbuster with senior communications adviser Mat Kaplan, award-winning Nature correspondent Alexandra Witze, Virginia Tech astrophysicist Nahum Arav, and Planetary Society chief scientist Bruce Betts.